18164440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2237}}^1$

素因数の和:2284

約数の個数: 64

約数和(自身を含む): 48340800

約数和(自身を除く): 30176360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 2237, 4060, 4474, 8120, 8948, 11185, 15659, 17896, 22370, 31318, 44740, 62636, 64873, 78295, 89480, 125272, 129746, 156590, 259492, 313180, 324365, 454111, 518984, 626360, 648730, 908222, 1297460, 1816444, 2270555, 2594920, 3632888, 4541110, 9082220, 18164440]

約数ペア:

[(1, 18164440), (2, 9082220), (4, 4541110), (5, 3632888), (7, 2594920), (8, 2270555), (10, 1816444), (14, 1297460), (20, 908222), (28, 648730), (29, 626360), (35, 518984), (40, 454111), (56, 324365), (58, 313180), (70, 259492), (116, 156590), (140, 129746), (145, 125272), (203, 89480), (232, 78295), (280, 64873), (290, 62636), (406, 44740), (580, 31318), (812, 22370), (1015, 17896), (1160, 15659), (1624, 11185), (2030, 8948), (2237, 8120), (4060, 4474)]